JPS6341432Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention provides a vehicle support mechanism in an automobile lift, specifically, the base end is pivotally supported for horizontal rotation.
A hanging lift or a column lift, etc., consisting of a cylindrical rotating arm with an open tip, and a sliding arm that has a pedestal at the tip and is slidably fitted into the cylindrical shape of the rotating arm. This invention relates to a vehicle support mechanism that can be raised and lowered in an automobile lift.

To change the lifting point of an automobile lift, you can adjust its height by rotating a threaded rod protruding from the cradle, or use an attachment A with a different lifting point at the end of the arm as shown in Figure 1. However, the former requires a considerable gap due to the original function of the screw, so when the height is increased, the upper part of the car body holder swings due to the gap, which impairs safety. The latter also had the same drawback as a gap was created between the tip of the arm and the attachment, causing side-to-side sway. Therefore, as an improvement while taking those shortcomings into consideration,
No. 52110 “Vehicle body support device in automobile lift”
has been proposed, but this inevitably creates a gap between the vehicle body receiving unit insertion hole at the end of the arm and the vehicle body unit, and is not sufficient in terms of strength.

Therefore, it is possible to prepare multiple sliding arms with different lifting points so that they can be replaced as appropriate depending on the vehicle model, but with conventional ones, the release of the locking mechanism is complicated, and the sliding arms can be replaced. A considerable amount of time is wasted.

The present invention aims to overcome these drawbacks and, in addition, to provide a vehicle support mechanism in which the sliding arm can be replaced easily.

That is, in the present invention, a through hole is formed in the side surface of the tip end of the swing arm, a leaf spring is brought into close contact with the side surface of the swing arm so as to cover the hole, and the end of the stopper protrusion is fixed to the leaf spring. is inserted into the through hole so as to be centered into the cylinder, and one side of the leaf spring is fixed to the swing arm, while a protrusion is attached to the sliding arm at a position corresponding to the stopper protrusion at its base end. is provided to prevent the sliding arm from coming off by engaging the protrusion with the tip of the stopper protrusion, and also by pulling the other side of the leaf spring and pulling the tip of the stopper protrusion from inside the cylinder. The vehicle support mechanism is capable of disengaging from the stopper protrusion, and an example of its implementation will be described below with reference to the drawings.

Reference numeral 1 denotes a swing arm, the base end of which is rotatably supported by a carriage (not shown) that can be moved up and down. The swing arm 1 has a cylindrical shape with an open end, and a passenger car sliding arm 2 having a pedestal 3 at the end is slidably fitted into the cylindrical shape.

A through hole 1a is provided on the top surface of the tip of the swing arm 1.
is drilled therein, and a leaf spring 5 is tightly fitted to cover the through hole 1a, and the stopper protrusion 4 fixed to the leaf spring 5 is arranged so that the tip thereof extends into the cylinder. It is inserted into the through hole 1a. One end of the leaf spring 5 is fixed to the swing arm 1 by a screw 6, and the other end is curved in a circular arc shape so that it can be easily pulled outward. The stopper protrusion 4 is configured to be retracted from the cylinder by pulling the other curved side of the leaf spring 5 outward, and has an inclined surface 4a facing the opening side at its tip. has been done.

On the other hand, at the base end of the sliding arm 2, a protrusion 7 is provided at a location corresponding to the stopper protrusion 4, and constitutes a retaining mechanism that engages with the stopper protrusion 4.

A mounting seat 21 is formed at the tip of the sliding arm 2, and a pedestal 3 is screwed into the center of this mounting seat 21. This mounting structure is the same as that of the conventional product, and the shaft portion of the pedestal 3 and the mounting seat 21 are screwed together, so that the height can be adjusted by rotating the pedestal 3.

FIG. 4 shows a sliding arm 2' for a truck that can be replaced with the sliding arm 2 for a passenger car, and the structure except for the mounting part of the pedestal 3 is the same as that of the sliding arm 2 for a passenger car. ing. This truck sliding arm 2' is designed to raise the position where the vehicle is supported by the pedestal 3, that is, the lifting point.
A base 3a is interposed above the sliding arm 2', and the base 3a and the shaft portion of the pedestal 3 are screwed together. The sliding arm 2' having a high lifting point as described above is applied to a truck equipped with a storage battery or a gasoline tank at the bottom of the frame.

In the above embodiment, two types of sliding arms have been described, but several types of sliding arms with different pedestals and lifting points are prepared, and are used and replaced as appropriate depending on the vehicle type.

Further, when the lift is a column type lift, the swing arm is attached to the left and right carriages, but when the lift is a hanging type lift, it is attached to the tip of a telescopic hanging rod.

According to the vehicle support mechanism described above, when lifting a vehicle, the sliding arm that provides the best lifting point for the vehicle is selected, and the other curved side of the leaf spring 5 is first moved outward. Then, the stopper protrusion 4 and the protrusion 7 are disengaged and the fitted passenger car sliding arm 2 is pulled out forward, and then the selected truck sliding arm 2' is removed.
is inserted into the cylindrical shape of the rotating arm 1 and fitted. At this time, since the tip of the stopper protrusion 4 is inclined, even if the leaf spring 5 is returned to its normal state, the protrusion 7 presses the inclined surface 4a and lifts the stopper protrusion 4 upward, causing the protrusion 7 When the stopper protrusion passes through the tip of the stopper protrusion, the stopper protrusion automatically protrudes into the cylinder due to the spring force and engages with the stopper protrusion.

As described above, the vehicle support mechanism according to the present invention can easily and quickly replace the sliding arm suitable for the vehicle to be lifted up, and can obtain a stable lifting point for each different vehicle. Even if you change the car model, it will always be compatible with that car model. Moreover, since the replacement of the sliding arm is carried out with one touch, the workability is good, and the safety is also high because there is no rattling or shaking of the upper part of the car body holder.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a conventional device, Fig. 2 is a perspective view showing an embodiment of the vehicle support mechanism according to the present invention, Fig. 3 is a sectional view of the same, and Fig. 4 is a perspective view of a sliding arm for a truck. be. DESCRIPTION OF SYMBOLS 1... Swivel arm, 1a... Insertion hole, 2... Sliding arm for passenger cars, 2'... Sliding arm for trucks, 3... Rest, 3a... Base, 4... Stopper protrusion, 5... Leaf spring, 6... Screw, 7, 8... Protrusion, A... Attachment.

Claims (1)

[Scope of utility model registration request] a cylindrical swing arm whose base end is pivotably supported for horizontal rotation and whose tip is open; a sliding arm that has a pedestal at its tip and is slidably fitted into the cylindrical shape of the swing arm; In a vehicle support mechanism that can be raised and lowered in an automobile lift such as a suspension type lift or a column type lift, a through hole is bored in the side surface of the tip end of the swing arm, and a through hole is formed in the side surface of the swing arm. A leaf spring is brought into close contact with the leaf spring so as to cover the leaf spring, and the tip of the stopper protrusion fixed to the leaf spring is inserted into the through hole so as to project its head into the cylinder, and one side of the leaf spring is fixed to the swing arm. , a protrusion is provided on the sliding arm at a location corresponding to the stopper protrusion at its base end, and the protrusion and the tip of the stopper protrusion engage to prevent the sliding arm from coming off; By pulling the other side of the spring and pulling the tip of the stopper protrusion from inside the cylinder, it is possible to disengage the protrusion from the stopper protrusion, and it is possible to replace it with another sliding arm with a different lifting point. A vehicle support mechanism characterized by: